Headstock Bearings: KTM SX65 SX 65 (1999-2014) Yamaha YQ50 ACI603 & ACI604 OR EFI

ACI603 & ACI604 OR EFI Technology AC2i

This unit is designed to replace OEM 31600-MV4-000 & 31600-MV4-010 on a Honda CB600 F & FS Hornet for the years shown above

To replace OEM: 33410-49110 / 33420-49110 / 33410-49210 / 33420-49210

To replace factory cdi units stamped ACI600-ACI604 OR AC2i

Headstock Bearings: KTM SX65 SX 65 (1999-2014) Yamaha YQ50 ACI603 & ACI604 OR EFIBrand new set of headstock steering bearings to fit: KTM SX 65 (1999 2014). This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on a KTM 65 SX for the years and models shown above. Top sized: 20mm x 42mm x 15mm. Bottom sized: 20mm x 42mm x 15mm. All sizes set out ID x OD x Thickness. The seals are not included in the measurements. If you require different sizes please click